82228406 has 16 divisors (see below), whose sum is σ = 132983424. Its totient is φ = 37907904.

The previous prime is 82228361. The next prime is 82228417. The reversal of 82228406 is 60482228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36155 + ... + 38361.

It is an arithmetic number, because the mean of its divisors is an integer number (8311464).

Almost surely, 2^82228406 is an apocalyptic number.

82228406 is a deficient number, since it is larger than the sum of its proper divisors (50755018).

82228406 is a wasteful number, since it uses less digits than its factorization.

82228406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 82228406 is about 9067.9879797009. The cubic root of 82228406 is about 434.8511509044.

The spelling of 82228406 in words is "eighty-two million, two hundred twenty-eight thousand, four hundred six".